Angular JS Internship Program - Questions

• 1. What is Angular?
  Angular or Angularjs is a JavaScript framework. Made by Google, it helps in building single-page web applications.
• 2. What are directives?
  Directives are HTML’s special attributes and tags. They tell Angularjs how to work or render content.
• 3. What do you know about two-way data binding?
  Two-way data binding changes the UI update. It changes the UI automatically in the model.
• 4. What is a controller?
  A controller is a JavaScript function that controls data and logic for the view. It is used to connect the model and the HTML template.
• 5. What do you understand by $scope?
  $scope holds the model data and methods which are used in the application. It is a built-in object that connects controllers with the view.
• 6. Can you differentiate ng-if and ng-show?
  Ng-if adds or removes elements from the DOM, and ng-show hides or shows elements using CSS and keeps them in the DOM.
• 7. What is a module in Angularjs?
  A module is the container for different parts of an app, like controllers and services. It keeps the codes organised.
• 8. What is dependency injection in Angular?
  Dependency Injection is a design pattern which lets Angular automatically provide required services or objects to components.
• 9. What is a filter in Angularjs?
  Filters are a feature to format data in the view, like currency or date.
• 10. Is Angular still used today?
  Angular is now replaced by Better and updated versions like Angular 2+, some companies may still use Angular with proper maintenance.